APA (7th ed.) Citation

Erdman, L. G. (1989). The edge of time. Texas Christian University Press.

Chicago Style (17th ed.) Citation

Erdman, Loula Grace. The Edge of Time. Fort Worth, Tex.: Texas Christian University Press, 1989.

MLA (9th ed.) Citation

Erdman, Loula Grace. The Edge of Time. Texas Christian University Press, 1989.

Warning: These citations may not always be 100% accurate.